US2007211491A1PendingUtilityA1

Light source installation in back light unit

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Assignee: K BRIDGE ELECTRONICS CO LTDPriority: Mar 8, 2006Filed: Aug 2, 2006Published: Sep 13, 2007
Est. expiryMar 8, 2026(expired)· nominal 20-yr term from priority
Inventors:Fang-I Chou
G02B 6/0031G02B 6/0055G02B 6/0068G02B 6/0051G02B 6/0053
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Claims

Abstract

A light source installation in back light unit to effectively shorten the area required for incorporation of wavelength from each of multiple LEDs is comprised of multiple LED units; each LED unit being comprised of multiple LEDs; multiple LED units being disposed on a locking member and each LED unit being disposed on a curved section formed by the locking member and further on the incident plane of the light guide plate in different directions; and light emitted from those multiple LED units being mixed to incorporate wave length from each LED into white light.

Claims

exact text as granted — not AI-modified
1 . A light source installation in back light unit to effectively shorten the area required for incorporation of wavelength from each of multiple LEDs is comprised of multiple LED units; each LED unit being comprised of multiple LEDs;
 each LED unit being disposed in various directions on the incidence plane of a light guide plate; and wave length of each LED being incorporated into white light due to light mixing.   
   
   
       2 . The light source installation in back light unit as claimed in  claim 1 , wherein the light source installation is adapted in a reflective mask. 
   
   
       3 . The light source installation in back light unit as claimed in  claim 1 , wherein the light source installation is applied in a back light unit; a reflective mask being disposed on the edge of a display panel assembly of the back light unit;
 and the light source installation being adapted in the reflective mask.   
   
   
       4 . The light source installation in back light unit as claimed in  claim 2 , wherein those multiple LEDs are disposed on the reflective mask in different directions. 
   
   
       5 . The light source installation in back light unit as claimed in  claim 3 , wherein those multiple LEDs are disposed on the reflective mask in different directions. 
   
   
       6 . The light source installation in back light unit as claimed in  claim 3 , wherein the display panel assembly includes light guide plate, lower diffusion film, brightness enforcement film, upper diffusion film, and LCD panel. 
   
   
       7 . The light source installation in back light unit as claimed in  claim 1 , wherein the light guide includes an incidence plane, a base plane crossing the incidence plane, and an emitting plan in opposite to the base plane. 
   
   
       8 . The light source installation in back light unit as claimed in  claim 4 , wherein a reflective film is further disposed below the base plane of the light guide plate. 
   
   
       9 . The light source installation in back light unit as claimed in  claim 5 , wherein a reflective film is further disposed below the base plane of the light guide plate. 
   
   
       10 . A light source installation in back light unit to effectively shorten the area required for incorporation of wavelength from each of multiple LEDs is comprised of multiple LED units; each LED unit being comprised of multiple LEDs;
 multiple LED units being disposed on a locking member and each LED unit being disposed on a curved section formed by the locking member and further on the incident plane of the light guide plate in different directions; and   light emitted from those multiple LED units being mixed to incorporate wave length from each LED into white light.   
   
   
       11 . The light source installation in back light unit as claimed in  claim 10 , wherein the locking member related to a reflective mask.

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